Home / 134,211.18-185,210.90-73,785.64

Finding the Fourth Proportional to 134,211.18, 185,210.90 and 73,785.64

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Solution

The fourth proportional to 134,211.18, 185,210.90 and 73,785.64 is: 101,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,211.18 : 185,210.90 = 73,785.64 : x
  2. Step 2: Convert to fraction form
    134,211.18/185,210.90 = 73,785.64/x
  3. Step 3: Cross multiply
    134,211.18x = 185,210.90 × 73,785.64
  4. Step 4: Simplify right side
    134,211.18x = 13,665,904,791.48
  5. Step 5: Solve for x
    x = 13,665,904,791.48/134,211.18
  6. Step 6: Final answer
    x = 101,823.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.